Monday May 07, 2007

First Commercial Application to run on JRuby also uses Apache Derby

I heard the news from JRuby core developer Olivier Nutter at CommunityOne as I was setting up for my presentation with Kevin Henrikson from Zimbra.

Yes, so ThoughtWorks Studios will have their collaborative development project management solution named Mingle be the first commercially-distributed Rails application to run on JRuby.

Mingle 1.0 which should be released in June 07', will be running with a Jetty web front-end and an Apache Derby database back-end.

InfoQ blog on the subject reports that performance has not been a major concern. The current runtime easily supports hundreds of concurrent users with a simple cluster, and JRuby performance has been getting faster all the time. According to the team, experimental deployments have included 10 JRuby interpreters running in a single JVM process.

Thursday May 03, 2007

Enabling Offline Web Applications with Java DB

As David Van Couvering pointed out in his blog, I will be co-presenting with Kevin Henrikson from Zimbra at CommunityOne and JavaOne 2007 next week. Kevin will especially highlight how they have implemented offline support in their current Zimbra Desktop offering.

We will discuss how today's and tomorrow's Rich Internet Applications (RIA's) can be enabled to run offline and allow the users to keep using the same application, while not being connected to the net.

You can get a sneak peak of what we will talking about based on David Berlind's recent article on the subject of enabling offline Rich Internet Applications using some local storage such as Java DB / Apache Derby and some Local Ajax (LAJAX) or Asynchronous JavaScript technic based on LiveConnect.

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